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There are 16 fifteen-letter words containing N, O, P, 2R, S, T and Y

CORRESPONDENTLYcorrespondently adv. In a corresponding manner.
CORRESPONDENT adv. corresponding.
CROSSOPTERYGIANcrossopterygian adj. (Zoology) Of or pertaining to the Crossopterygii, an infraclass of bony fish.
crossopterygian n. (Zoology) One of the Crossopterygii.
CROSSOPTERYGIAN n. a member of a subclass of mostly extinct bony fishes, including the coelacanth.
CRYOPROTECTANTScryoprotectants n. Plural of cryoprotectant.
CRYOPROTECTANT n. a cryoprotective substance.
ERYTHROPOIETINSerythropoietins n. Plural of erythropoietin.
ERYTHROPOIETIN n. a glycoprotein hormone that stimulates the production of red blood cells by stem cells in bone marrow.
HYPEREXCRETIONSHYPEREXCRETION n. excessive excretion.
HYPERMODERNISTShypermodernists n. Plural of hypermodernist.
HYPERMODERNIST n. a practitioner of a hypermodernist style in art.
HYPERSECRETIONShypersecretions n. Plural of hypersecretion.
HYPERSECRETION n. excessive secretion.
INTERPAROXYSMALinterparoxysmal adj. Between paroxysms.
INTERPAROXYSMAL adj. between paroxysms.
INTERPERSONALLYinterpersonally adv. In an interpersonal way.
INTERPERSONAL adv. relating to relations between persons.
NEUROPSYCHIATRYneuropsychiatry n. (Medicine) The branch of medicine dealing with disorders that have both neurological and psychiatric features.
NEUROPSYCHIATRY n. a branch of medicine concerned with both neurology and psychiatry.
PORPHYROGENITESporphyrogenites n. Plural of porphyrogenite.
PORPHYROGENITE n. a Byzantine emperor's son, born in the purple.
PROCRASTINATORYprocrastinatory adj. Of or pertaining to procrastination.
PROCRASTINATORY adj. tending to procrastinate, also PROCRASTINATIVE.
PROTOPORPHYRINSprotoporphyrins n. Plural of protoporphyrin.
PROTOPORPHYRIN n. metal-free porphyrin derived from blood hemin.
SAUROPTERYGIANSsauropterygians n. Plural of sauropterygian.
SAUROPTERYGIAN n. any carnivorous Mesozoic marine reptile of the group Sauropterygia, with paddle-like limbs.
SUPERHETERODYNEsuperheterodyne adj. (Electronics) Pertaining to a technique used in radio and television receivers to tune to a particular…
superheterodyne n. A receiver of this kind.
SUPERHETERODYNE n. applied to radio reception in which oscillations of slightly different frequency are imposed on the received oscillations, producing beats of a frequency above audio-frequency which are easily amplified.
ULTRASONOGRAPHYultrasonography n. (Medicine) The use of ultrasound to produce diagnostic images of the internal organs of the body, or of a foetus.
ultrasonography n. The use of ultrasound to form images of underwater structures.
ULTRASONOGRAPHY n. the use of ultrasound.

Scrabble words — in black are valid world wide — in RED are not valid in North America — in GREEN are valid only in North America.
Definitions are short excerpt from the WikWik.org and 1Word.ws.

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See this list for:

  • English Wiktionary: 127 words
  • Scrabble in French: 17 words
  • Scrabble in Spanish: 1 word
  • Scrabble in Italian: no word
  • Scrabble in German: no word
  • Scrabble in Romanian: no word


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